<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <script>
        // 解构
        var obj={name:"yuan",age:20,sex:"男"}
        var {name,age,sex}=obj;
        // console.log(name)
        // function http(url,type="get",callback){
        // var data=20;
        // console.log(url);
        // console.log(type);
        // callback(data)
        // }
        function http({url,type="get",callback}){
            var data=20;
            console.log(url);
            console.log(type);
            callback(data);
        }
        http({
            url:"xxx",
            callback:handleData,
        })
        function handleData(res){
            console.log(res)
        }
        </script>
</body>
</html>